Please help mmei will give a brainleist to the first person to answer.

Which of the following is something every person can do plz asap apex

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures